Answer:
Theyre both going to be 27.
Step-by-step explanation:
2n+21=4n+15
-2n -2n
21=2n+15
-15 -15
[tex]\frac{6}{2}[/tex]=[tex]\frac{2n}{2}[/tex]
3=n
2n+21
2(3)+21=27
4n+15
4(3)+15=27
:)
